"EPR" meaning in English

See EPR in All languages combined, or Wiktionary

Proper name

Etymology: From the initials of the three theoreticians to conceived of the paradox, Einstein (Albert Einstein), Podolsky (Boris Podolsky), Rosen (Nathan Rosen). Head templates: {{en-proper noun}} EPR
  1. (physics) Short for Einstein–Podolsky–Rosen paradox Tags: abbreviation, alt-of Alternative form of: Einstein–Podolsky–Rosen paradox Synonyms: Einstein-Podolsky-Rosen paradox Derived forms: ER=EPR (english: a conjecture about the nature of the universe that connects quantum physics to spacetime physics), EPR=ER (english: a conjecture about the nature of the universe that connects quantum physics to spacetime physics), EPR telephone (english: a conjecture to communicate non-locally, faster than light, back in time) Related terms: ER (english: Einstein-Rosen), Einstein-Rosen bridge
    Sense id: en-EPR-en-name-7SILS1Tz Categories (other): Physics, English entries with incorrect language header, Pages with 2 entries, Pages with entries Disambiguation of English entries with incorrect language header: 56 17 4 13 4 6 Disambiguation of Pages with 2 entries: 58 11 5 11 4 11 Disambiguation of Pages with entries: 68 12 3 7 3 7 Topics: natural-sciences, physical-sciences, physics
The following are not (yet) sense-disambiguated
Etymology number: 2

Noun

Forms: EPRs [plural], E.P.R. [alternative], E. P. R. [alternative]
Etymology: Abbreviation Head templates: {{en-noun|~}} EPR (countable and uncountable, plural EPRs)
  1. (aviation) Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine). Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: engine pressure ratio (extra: the ratio of pressure between exhaust and inlet of a jet engine)
    Sense id: en-EPR-en-noun-HHvNrqHs Categories (other): Aviation Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences
  2. (finance) Initialism of expected profit rate. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: expected profit rate
    Sense id: en-EPR-en-noun-zR4gyspy Categories (other): Finance Topics: business, finance
  3. (nuclear energy) Initialism of European Pressurised Reactor, a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: European Pressurised Reactor (extra: a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor) Hypernyms: pressurized reactor, nuclear reactor, reactor
    Sense id: en-EPR-en-noun-SJlf~rUH Categories (other): Nuclear energy
  4. (medicine) Initialism of electronic patient record. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: electronic patient record
    Sense id: en-EPR-en-noun-ao2qtt52 Categories (other): Medicine Topics: medicine, sciences
  5. (environment, law) Initialism of extended producer responsibility. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: extended producer responsibility
    Sense id: en-EPR-en-noun-5CGQJo4Y Categories (other): Law Topics: law
The following are not (yet) sense-disambiguated
Etymology number: 1

Inflected forms

Alternative forms

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  "etymology_number": 1,
  "etymology_text": "Abbreviation",
  "forms": [
    {
      "form": "EPRs",
      "tags": [
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    },
    {
      "form": "E.P.R.",
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    },
    {
      "form": "E. P. R.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "the ratio of pressure between exhaust and inlet of a jet engine",
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        "Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine)."
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        ],
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        ],
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        ]
      ],
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        "(aviation) Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine)."
      ],
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        "initialism",
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      "alt_of": [
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      "categories": [
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      "glosses": [
        "Initialism of expected profit rate."
      ],
      "id": "en-EPR-en-noun-zR4gyspy",
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        ],
        [
          "rate",
          "rate#English"
        ]
      ],
      "raw_glosses": [
        "(finance) Initialism of expected profit rate."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
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      ],
      "topics": [
        "business",
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      ]
    },
    {
      "alt_of": [
        {
          "extra": "a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor",
          "word": "European Pressurised Reactor"
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      ],
      "categories": [
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      ],
      "glosses": [
        "Initialism of European Pressurised Reactor, a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor."
      ],
      "hypernyms": [
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      "id": "en-EPR-en-noun-SJlf~rUH",
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        ],
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        ],
        [
          "Evolutionary Power Reactor",
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        ]
      ],
      "qualifier": "nuclear energy",
      "raw_glosses": [
        "(nuclear energy) Initialism of European Pressurised Reactor, a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor."
      ],
      "tags": [
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    },
    {
      "alt_of": [
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          "word": "electronic patient record"
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      ],
      "categories": [
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          "name": "Medicine",
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      ],
      "glosses": [
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      "id": "en-EPR-en-noun-ao2qtt52",
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        "(medicine) Initialism of electronic patient record."
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          "word": "extended producer responsibility"
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      ],
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              114,
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          "ref": "2025 May 31, Rachel Cernansky, “Solving fashion's waste problem”, in FT Weekend, Life & Arts, page 4:",
          "text": "From California to the EU, legislators are moving ahead with a concept known as extended producer responsibility (EPR), which aims to hold brands accountable for what happens to the products they put out into the world.",
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        }
      ],
      "glosses": [
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      "id": "en-EPR-en-noun-5CGQJo4Y",
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        "(environment, law) Initialism of extended producer responsibility."
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}

{
  "etymology_number": 2,
  "etymology_text": "From the initials of the three theoreticians to conceived of the paradox, Einstein (Albert Einstein), Podolsky (Boris Podolsky), Rosen (Nathan Rosen).",
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          "_dis": "68 12 3 7 3 7",
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      "derived": [
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          "english": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
          "translation": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
          "word": "ER=EPR"
        },
        {
          "english": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
          "translation": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
          "word": "EPR=ER"
        },
        {
          "english": "a conjecture to communicate non-locally, faster than light, back in time",
          "translation": "a conjecture to communicate non-locally, faster than light, back in time",
          "word": "EPR telephone"
        }
      ],
      "glosses": [
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      ],
      "id": "en-EPR-en-name-7SILS1Tz",
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        ],
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        ],
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        ]
      ],
      "raw_glosses": [
        "(physics) Short for Einstein–Podolsky–Rosen paradox"
      ],
      "related": [
        {
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          "translation": "Einstein-Rosen",
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        {
          "word": "Einstein-Rosen bridge"
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      "synonyms": [
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      "topics": [
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  "wikipedia": [
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    "en:Boris Podolsky",
    "en:Nathan Rosen"
  ],
  "word": "EPR"
}
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  "pos": "noun",
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        "(aviation) Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine)."
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        "(finance) Initialism of expected profit rate."
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      ],
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        "(medicine) Initialism of electronic patient record."
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          "word": "extended producer responsibility"
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          ],
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          "text": "From California to the EU, legislators are moving ahead with a concept known as extended producer responsibility (EPR), which aims to hold brands accountable for what happens to the products they put out into the world.",
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        }
      ],
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        "Initialism of extended producer responsibility."
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        "(environment, law) Initialism of extended producer responsibility."
      ],
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  "word": "EPR"
}

{
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    "English uncountable nouns",
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  ],
  "derived": [
    {
      "english": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
      "translation": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
      "word": "ER=EPR"
    },
    {
      "english": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
      "translation": "a conjecture about the nature of the universe that connects quantum physics to spacetime physics",
      "word": "EPR=ER"
    },
    {
      "english": "a conjecture to communicate non-locally, faster than light, back in time",
      "translation": "a conjecture to communicate non-locally, faster than light, back in time",
      "word": "EPR telephone"
    }
  ],
  "etymology_number": 2,
  "etymology_text": "From the initials of the three theoreticians to conceived of the paradox, Einstein (Albert Einstein), Podolsky (Boris Podolsky), Rosen (Nathan Rosen).",
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        "(physics) Short for Einstein–Podolsky–Rosen paradox"
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  ],
  "word": "EPR"
}

Download raw JSONL data for EPR meaning in English (6.2kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-01-03 from the enwiktionary dump dated 2026-01-01 using wiktextract (96027d6 and 9905b1f). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.